Knowledge & Expertise

Diamond Industry
Insights & B2B Guides

In-depth analysis of CVD growth technology, IGI certification standards, lapidary craftsmanship, and global wholesale market trends.

Featured Insight
Rose Cut Diamonds Are Back: Why This Centuries-Old Cut Is Finding New Life in Lab-Grown Diamonds
Craftsmanship
August 24, 2026 7 min read

Rose Cut Diamonds Are Back: Why This Centuries-Old Cut Is Finding New Life in Lab-Grown Diamonds

A rose cut diamond doesn't try to sparkle like a brilliant cut. With its flat base, domed crown, and petal-like facets, discover why this centuries-old cut is finding vibrant new life in modern lab-grown diamond jewelry design.

Colar Lapidary & Research TeamRead Full Article
Rose Cut Diamonds Are Back: Why This Centuries-Old Cut Is Finding New Life in Lab-Grown DiamondsCraftsmanship
August 24, 2026 7 min read

Rose Cut Diamonds Are Back: Why This Centuries-Old Cut Is Finding New Life in Lab-Grown Diamonds

A rose cut diamond doesn't try to sparkle like a brilliant cut. With its flat base, domed crown, and petal-like facets, discover why this centuries-old cut is finding vibrant new life in modern lab-grown diamond jewelry design.

Colar Lapidary & Research TeamRead
From India to the World: Celebrating Independence Through the Brilliance of DiamondsIndustry Analysis
August 15, 2026 6 min read

From India to the World: Celebrating Independence Through the Brilliance of Diamonds

On 15 August, we celebrate more than independence—we celebrate India's transformation into a global powerhouse of precision craftsmanship, Surat's lapidary mastery, and CVD lab-grown diamond innovation.

Colar Diamond Editorial TeamRead
Modified Crushed Ice Radiant Diamonds: Complete GuideCraftsmanship
August 06, 2026 9 min read

Modified Crushed Ice Radiant Diamonds: Complete Guide

Learn what a Modified Crushed Ice Radiant diamond is, how it differs from a standard Radiant cut, its sparkle pattern, advantages, disadvantages, and how to choose the best IGI-certified lab-grown diamond.

Rohit SavaliyaRead
Lab-Grown vs. Natural Diamonds: The Definitive B2B Comparison GuideIndustry Analysis
July 20, 2026 7 min read

Lab-Grown vs. Natural Diamonds: The Definitive B2B Comparison Guide

An in-depth analysis of chemical composition, optical brilliance, cost economics, environmental impact, and market demand for B2B diamond buyers.

Colar Gemology Research TeamRead
The Science & Craft of Fancy Color Lab-Grown DiamondsCVD Technology
July 18, 2026 6 min read

The Science & Craft of Fancy Color Lab-Grown Diamonds

How precise atomic doping in CVD reactors produces vibrant pink, intense blue, canary yellow, and rare green diamonds with flawless consistency.

Vipulbhai KarkarRead
Understanding IGI & GIA Lab-Grown Diamond Grading ReportsCertification & Quality
July 15, 2026 8 min read

Understanding IGI & GIA Lab-Grown Diamond Grading Reports

A complete guide for wholesalers and retailers on reading certification standards, color/clarity scales, and verification technology.

Colar Quality AssuranceRead
From Rough CVD Crystal to 3EX Masterpiece: The Cutting & Polishing JourneyCraftsmanship
July 10, 2026 9 min read

From Rough CVD Crystal to 3EX Masterpiece: The Cutting & Polishing Journey

Step inside our Surat cutting facility: 3D laser mapping, automated robotics, and artisanal hand-polishing for optimal light performance.

Colar Lapidary TeamRead
B2B Diamond Market Trends 2026: Supply Chains & Retail AdoptionMarket Trends
July 05, 2026 7 min read

B2B Diamond Market Trends 2026: Supply Chains & Retail Adoption

Key insights into global retail adoption rates, price stabilization, consumer sentiment shifts, and high-carat diamond trends for 2026.

Rohit SavaliyaRead
How to Source Wholesale Lab-Grown Diamonds: A B2B Buyer's PlaybookBuying Guide
July 01, 2026 6 min read

How to Source Wholesale Lab-Grown Diamonds: A B2B Buyer's Playbook

Essential criteria for jewelers, importers, and brands when evaluating manufacturers, bulk inventory consistency, and ethical supply chains.

B2B Client Services TeamRead
CVD vs. HPHT: The Science Behind Diamond Growth TechnologiesCVD Technology
July 24, 2026 8 min read

CVD vs. HPHT: The Science Behind Diamond Growth Technologies

Discover the critical differences between CVD and HPHT growth methods, Type IIa atomic purity, and why CVD is preferred for high-end luxury diamonds.

Vipulbhai KarkarRead
Diamond Shapes & Cut Styles: From Round Brilliant to Emerald & Fancy CutsCraftsmanship
July 23, 2026 7 min read

Diamond Shapes & Cut Styles: From Round Brilliant to Emerald & Fancy Cuts

Explore Round Brilliant, Oval, Emerald, Radiant, Cushion, Pear, Princess, Marquise, and Fancy cuts with ideal length-to-width ratios for maximum yield and brilliance.

Rohit SavaliyaRead
What Makes a 3EX Diamond? Excellent Cut, Polish & Symmetry DemystifiedCraftsmanship
July 22, 2026 6 min read

What Makes a 3EX Diamond? Excellent Cut, Polish & Symmetry Demystified

Learn how Excellent Cut, Excellent Polish, and Excellent Symmetry interact to create 3EX diamonds with zero light leakage.

Colar Lapidary TeamRead
Diamond Fluorescence & Type IIa Purity: Impact on Fire, Sparkle & ValuationCertification & Quality
July 19, 2026 5 min read

Diamond Fluorescence & Type IIa Purity: Impact on Fire, Sparkle & Valuation

Understand diamond fluorescence ratings (None/Inert, Faint, Medium, Strong), UV reactivity, and why Type IIa CVD diamonds remain crisp and clear.

Vipulbhai KarkarRead
Rough Diamond Planning: 3D Sarine Scans to Precision Laser PolishingCraftsmanship
July 17, 2026 7 min read

Rough Diamond Planning: 3D Sarine Scans to Precision Laser Polishing

Explore 3D Sarine laser mapping, inclusion plotting, crystal orientation, and high-speed laser cleaving in Surat.

Rohit SavaliyaRead
MOQs Explained: How Much Do You Need to Start Sourcing Wholesale Lab-Grown Diamonds?Buying Guide
July 28, 2026 5 min read

MOQs Explained: How Much Do You Need to Start Sourcing Wholesale Lab-Grown Diamonds?

New to sourcing lab-grown diamonds wholesale? Here's how minimum order quantities work, what drives them, and how to plan your first order with confidence.

Colar B2B Advisory TeamRead
The History of Diamonds: From Ancient Golconda Mines to Modern CVD SynthesisIndustry Analysis
August 01, 2026 8 min read

The History of Diamonds: From Ancient Golconda Mines to Modern CVD Synthesis

From 4th century BCE Golconda mines in India to modern plasma reactors in Surat: Explore the rich history of diamonds and the evolution into high-purity CVD lab-grown diamonds.

Colar Gemology Research TeamRead
The 10 Most Expensive Diamonds in the World: History, Carat Weight & Gemological RarenessIndustry Analysis
August 02, 2026 9 min read

The 10 Most Expensive Diamonds in the World: History, Carat Weight & Gemological Rareness

Explore the world's most valuable natural diamonds—from the unpriced Koh-i-Noor to the $71M Pink Star—and the gemological science behind their record-breaking valuations.

Colar Gemology Research TeamRead
IIJS Premiere & B2B Sourcing: The Rise of CVD Lab-Grown Diamonds at India International Jewellery ShowMarket Trends
August 02, 2026 8 min read

IIJS Premiere & B2B Sourcing: The Rise of CVD Lab-Grown Diamonds at India International Jewellery Show

Everything B2B buyers, retail jewelers, and international importers need to know about sourcing CVD lab-grown diamonds at IIJS Premiere.

Colar B2B Advisory TeamRead
Why Are Lab-Grown Diamond Prices Falling? The Real Story Behind the MarketMarket Trends
August 05, 2026 6 min read

Why Are Lab-Grown Diamond Prices Falling? The Real Story Behind the Market

A candid look at why lab-grown diamond prices have dropped, how tech advancements lowered production costs, and why consumers and jewelers are benefiting.

Colar Editorial TeamRead
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